diff --git a/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsWidget.cpp b/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsWidget.cpp
index 6157d483bb..500a07cec4 100644
--- a/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsWidget.cpp
+++ b/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsWidget.cpp
@@ -1,79 +1,83 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "QmitkImageStatisticsWidget.h"
 
 #include "QmitkTableModelToStringConverter.h"
 #include "QmitkImageStatisticsTreeModel.h"
 
 #include <QSortFilterProxyModel>
 #include <QClipboard>
 
 QmitkImageStatisticsWidget::QmitkImageStatisticsWidget(QWidget* parent) : QWidget(parent)
 {
   m_Controls.setupUi(this);
   m_imageStatisticsModel = new QmitkImageStatisticsTreeModel(parent);
   CreateConnections();
   m_ProxyModel = new QSortFilterProxyModel(this);
   m_Controls.treeViewStatistics->setEnabled(false);
   m_Controls.treeViewStatistics->setModel(m_ProxyModel);
   m_ProxyModel->setSourceModel(m_imageStatisticsModel);
   connect(m_imageStatisticsModel, &QmitkImageStatisticsTreeModel::dataAvailable, this, &QmitkImageStatisticsWidget::OnDataAvailable);
+  connect(m_imageStatisticsModel,
+          &QmitkImageStatisticsTreeModel::modelChanged,
+          m_Controls.treeViewStatistics,
+          &QTreeView::expandAll);
 }
 
 void QmitkImageStatisticsWidget::SetDataStorage(mitk::DataStorage* newDataStorage)
 {
   m_imageStatisticsModel->SetDataStorage(newDataStorage);
 }
 
 void QmitkImageStatisticsWidget::SetImageNodes(const std::vector<mitk::DataNode::ConstPointer>& nodes)
 {
   m_imageStatisticsModel->SetImageNodes(nodes);
 }
 
 void QmitkImageStatisticsWidget::SetMaskNodes(const std::vector<mitk::DataNode::ConstPointer>& nodes)
 {
   m_imageStatisticsModel->SetMaskNodes(nodes);
 }
 
 void QmitkImageStatisticsWidget::Reset()
 {
   m_imageStatisticsModel->Clear();
   m_Controls.treeViewStatistics->setEnabled(false);
   m_Controls.buttonCopyImageStatisticsToClipboard->setEnabled(false);
 }
 
 void QmitkImageStatisticsWidget::CreateConnections()
 {
 	connect(m_Controls.buttonCopyImageStatisticsToClipboard, &QPushButton::clicked, this, &QmitkImageStatisticsWidget::OnClipboardButtonClicked);
 }
 
 void QmitkImageStatisticsWidget::OnDataAvailable()
 {
   m_Controls.buttonCopyImageStatisticsToClipboard->setEnabled(true);
   m_Controls.treeViewStatistics->setEnabled(true);
 }
 
 void QmitkImageStatisticsWidget::OnClipboardButtonClicked()
 {
   QmitkTableModelToStringConverter converter;
   converter.SetTableModel(m_imageStatisticsModel);
   converter.SetIncludeHeaderData(true);
   converter.SetColumnDelimiter('\t');
 
   QString clipboardAsString = converter.GetString();
   QApplication::clipboard()->setText(clipboardAsString, QClipboard::Clipboard);
 }